This 6cm x 3.5cm Null Modem Board is designed on a Double Sided PTH Board with D9 Female connectors on both ends.

Although, designed to configure FoxTrak micro TNC, it may be used as a null modem or straight modem connector or as a boot loader where true RS232 levels are required. Uses a MAX232.

Board receives its power from FoxTrak GPS/Config D9M Connector J2: Pin 4 (+5V). New PCBs have provision to supply +5V directly

It should be noted that, Both, FoxTrak (or TinyTrak) and the Radio Transceiver should be connected & powered, for this interface & FoxTrak to function properly.

Click to enlarge

Kit includes all the parts visible in above picture. i.e. MAX232 with IC Socket, 5 Tantalum Capacitors, one resistor, one LED, 2 D9F PCB R/A sockets, two 4 position switches and a PCB.

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